The following companies supply products to be sold on qianbao ' s website : shandong tianfu online platform ( supplier of game cards ) ; sifang online distribution platform ( supplier of game cards ) ; chongqing digital world ( supplier of phone cards ) ; chongqing e net chongqing sifang ( supplier of phone cards ) ; chongqing taoxing ( supplier of study cards ) ; and chongqing dezheng technology development 以下是在钱保网站上提供产品销售的公司:山东天赋在线平台(游戏卡供应商) ;四方在线销售平台(游戏卡供应商) ;重庆数字世界(电话卡供应商) ;重庆e网重庆四方(电话卡供应商) ;重庆涛星(学习卡供应商) ;以及重庆德正科技发展公司。